Doyouknowwhoisthepre的精选

问题详情：任务型阅读（每空一词）Doyouknowwhoisthepresident（总统）oftheUSAnow?Youransweris‘Obama’,right?Next,let’shavealookathisgrowingexperience（经历）.Ten-year-oldObamawasoneoftheonlythreeblackstudentsathissc...